1) There is usually a tingling sensation in the throat in hemoptysis while xxxxxxxxxxxxx in hematemesis the patient will usually complain from nausea and upset stomach.

2) The blood is usually frothy and bright red in hemoptysis while xxxxxxxxxxxxxxxx it is dark red in hematemesis, non-frothy and food particles may also be present at the same time.

3) Blood in hematemesis will give an acidic pH when tested with litmus paper whereas xxxxxxxxxxxx that in hemoptysis will be neutral to alkaline.

4) Stools will be almost always positive for occult blood in hematemesis while xxxxxxxxxxxxxx it is usually negative in case of hemoptysis. But it can also be positive at times if the patient has swallowed his sputum.